On various occasions when we share a link (address, URL, link, link) what is usually done is copy "all" The full URL is not bad but the ideal would be to shorten it, that is, shorten it in case it is extremely long. Well that's where they come into play bit.ly o Linky! Two portals that they shorten URLs to later be shared for example on social networks such as Twitter, Facebook, MySpace: Messenger in the case of Nick.
It is very easy to cut links, you just have to enter the URL to be shortened and press the indicated button and the new URL will automatically be displayed, but this time shortened by a few characters.